User manual ROLAND JD-800 SERVICE MANUAL

[. . . ] IMPORTANT SAFETY INSTRUCTIONS SAVE THESE INSTRUCTIONS WARNING - When using electric products, basic precautions should always be followed, including the following: 1. Do not block any of the ventilation openings. install in accordance with the manufacturers instructions. Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus (including amplifiers) that produce heat. [. . . ] Swiftly wipe away any liquid that spills on the unit using a dry, soft cloth. • Company names and product names appearing in this document are registered trademarks or trademarks of their respective owners. English Maintenance • For everyday cleaning wipe the unit with a soft, dry cloth or one that has been slightly dampened with water. To remove stubborn dirt, use a cloth impregnated with a mild, non-abrasive detergent. Afterwards, be sure to wipe the unit thoroughly with a soft, dry cloth. • Never use benzine, thinners, alcohol or solvents of any kind, to avoid the possibility of discoloration and/or deformation. Deutsch Additional Precautions • Use a reasonable amount of care when using the unit’s buttons, sliders, or other controls; and when using its jacks and connectors. Rough handling can lead to malfunctions. • When connecting / disconnecting all cables, grasp the connector itself—never pull on the cable. This way you will avoid causing shorts, or damage to the cable’s internal elements. Français Placement • Using the unit near power amplifiers (or other equipment containing large power transformers) may induce hum. If this happens, use connection cables that do not contain resistors. * Do not input anything other than a stereo digital signal. CH 2 jacks A device such as television, computer, or audio player (with RCA phono plugs or a stereo mini-plug) can be connected here. CH 1 jacks A musical instrument such as a keyboard or V-Drums can be connected here (1/4” phone plugs). English Jack type * This instrument is equipped with balanced (XLR/TRS) type jacks. Wiring diagrams for these jacks are shown below. Make connections after first checking the wiring diagrams of other equipment you intend to connect. GND (SLEEVE) HOT (TIP) 1: GND 2: HOT 3: COLD COLD (RING) Deutsch Jack type Jack type Jack type Français PHONES jack Headphones (stereo mini-plug; sold separately) can be connected here. * If headphones are connected, sound will not be output from the main unit (subwoofer) or satellite speakers. Italiano Español AC IN jack Connect the included power cord here. português Nederlands Rear panel Rear panel SATELLITE SPEAKER jacks Connect the included satellite speakers here. [. . . ] 105 cm (41-3/8”) or less Italiano 50 cm (19-11/16”) or more Español • If the microphone stand is higher than 105 cm (including the satellite speaker), or if the legs are not spread out, the stand and speaker may tip over, causing injury or damage. • When using microphone stands to support the satellite speakers, do not place them at unstable or inclined locations. You must place the stand on a stable and horizontal surface. • Make sure to appropriately manage the cables connected to the satellite speakers so as to prevent accidents, such as might be caused by someone tripping over them. [. . . ]